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. 2011 Apr 27;2:222–227. doi: 10.3762/bjnano.2.26

Figure 2.

Figure 2

X-ray diffraction patterns of precipitated aragonite (upper) and calcite rhombohedrons (lower). Purity is 96–98 wt % for aragonite and 99–100 wt % for calcite as evaluated with the BRASS software suite [6]. Indexing according to data from [7] (aragonite) and [8] (calcite).